Home / 13,006.11-17,948.30-7,037.65

Finding the Fourth Proportional to 13,006.11, 17,948.30 and 7,037.65

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Solution

The fourth proportional to 13,006.11, 17,948.30 and 7,037.65 is: 9,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.11 : 17,948.30 = 7,037.65 : x
  2. Step 2: Convert to fraction form
    13,006.11/17,948.30 = 7,037.65/x
  3. Step 3: Cross multiply
    13,006.11x = 17,948.30 × 7,037.65
  4. Step 4: Simplify right side
    13,006.11x = 126,313,853.50
  5. Step 5: Solve for x
    x = 126,313,853.50/13,006.11
  6. Step 6: Final answer
    x = 9,711.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.